diff --git a/android/app/src/main/kotlin/niuhuan/pikapika/MainActivity.kt b/android/app/src/main/kotlin/niuhuan/pikapika/MainActivity.kt
index 21b1c6c..8659a3d 100644
--- a/android/app/src/main/kotlin/niuhuan/pikapika/MainActivity.kt
+++ b/android/app/src/main/kotlin/niuhuan/pikapika/MainActivity.kt
@@ -96,7 +96,6 @@ class MainActivity : FlutterActivity() {
                     // 获取可以迁移数据地址
                     "androidGetExtendDirs" -> androidGetExtendDirs()
                     "androidSecureFlag" -> androidSecureFlag(call.argument("flag")!!)
-                    "convertToPNG" -> convertToPNG(call.argument("path")!!)
                     else -> {
                         notImplementedToken
                     }
@@ -347,28 +346,6 @@ class MainActivity : FlutterActivity() {
         }
     }
 
-    private fun convertToPNG(path: String): ByteArray {
-        BitmapFactory.decodeFile(path)?.let { bitmap ->
-            val maxWidth =
-                    when {
-                        Build.VERSION.SDK_INT >= Build.VERSION_CODES.R -> windowManager.currentWindowMetrics.bounds.width()
-                        Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 -> {
-                            val displayMetrics = DisplayMetrics()
-                            windowManager.defaultDisplay.getRealMetrics(displayMetrics)
-                            displayMetrics.widthPixels
-                        }
-                        else -> throw Exception("not support")
-                    }
-            if (bitmap.width > maxWidth) {
-                val newHeight = maxWidth * bitmap.height / bitmap.width
-                val newImage = Bitmap.createScaledBitmap(bitmap, maxWidth, newHeight, true)
-                return compressBitMap(newImage)
-            }
-            return compressBitMap(bitmap)
-        }
-        throw Exception("error pic")
-    }
-
     private fun compressBitMap(bitmap: Bitmap): ByteArray {
         val bos = ByteArrayOutputStream()
         bos.use { bos ->
diff --git a/lib/basic/Method.dart b/lib/basic/Method.dart
index 0d0035a..12fba35 100644
--- a/lib/basic/Method.dart
+++ b/lib/basic/Method.dart
@@ -684,11 +684,6 @@ class Method {
     return _flatInvoke("saveDownloadThreadCount", "$value");
   }
 
-  /// 转化为PNG
-  Future<Uint8List> convertToPNG(String path) async {
-    return await _channel.invokeMethod("convertToPNG", {"path": path});
-  }
-
   /// HTTP-GET-STRING
   Future<String> defaultHttpClientGet(String url) async {
     return await _flatInvoke("defaultHttpClientGet", url);
diff --git a/lib/basic/config/ConvertToPNG.dart b/lib/basic/config/ConvertToPNG.dart
deleted file mode 100644
index 94cf85b..0000000
--- a/lib/basic/config/ConvertToPNG.dart
+++ /dev/null
@@ -1,48 +0,0 @@
-import 'dart:io';
-
-import 'package:flutter/material.dart';
-
-import '../Common.dart';
-import '../Method.dart';
-
-const _propertyName = "convertToPNG";
-var _convertToPNG = false;
-
-Future initConvertToPNG() async {
-  if (Platform.isAndroid) {
-    _convertToPNG =
-        (await method.loadProperty(_propertyName, "false")) == "true";
-  }
-}
-
-bool convertToPNG() {
-  return _convertToPNG;
-}
-
-Future<void> _chooseConvertToPNGSetting(BuildContext context) async {
-  String? result = await chooseListDialog<String>(context, "超大图片缩放", ["是", "否"],
-      tips: "会增加耗电\n可以解决部分漫画崩溃的问题");
-  if (result != null) {
-    var target = result == "是";
-    await method.saveProperty(_propertyName, "$target");
-    _convertToPNG = target;
-  }
-}
-
-Widget convertToPNGSetting() {
-  if (Platform.isAndroid) {
-    return StatefulBuilder(
-      builder: (BuildContext context, void Function(void Function()) setState) {
-        return ListTile(
-          title: const Text("读取到超大图片时进行缩放(防止崩溃)"),
-          subtitle: Text(_convertToPNG ? "是" : "否"),
-          onTap: () async {
-            await _chooseConvertToPNGSetting(context);
-            setState(() {});
-          },
-        );
-      },
-    );
-  }
-  return Container();
-}
diff --git a/lib/screens/InitScreen.dart b/lib/screens/InitScreen.dart
index 1705bf9..e87f586 100644
--- a/lib/screens/InitScreen.dart
+++ b/lib/screens/InitScreen.dart
@@ -6,7 +6,6 @@ import 'package:pikapika/basic/config/AutoClean.dart';
 import 'package:pikapika/basic/config/AutoFullScreen.dart';
 import 'package:pikapika/basic/config/ChooserRoot.dart';
 import 'package:pikapika/basic/config/ContentFailedReloadAction.dart';
-import 'package:pikapika/basic/config/ConvertToPNG.dart';
 import 'package:pikapika/basic/config/DownloadAndExportPath.dart';
 import 'package:pikapika/basic/config/DownloadThreadCount.dart';
 import 'package:pikapika/basic/config/FullScreenAction.dart';
@@ -80,7 +79,6 @@ class _InitScreenState extends State<InitScreen> {
     await initDownloadAndExportPath();
     await initAndroidSecureFlag();
     await initDownloadThreadCount();
-    await initConvertToPNG();
     await initNoAnimation();
     await initExportRename();
     await initVersion();
diff --git a/lib/screens/SettingsScreen.dart b/lib/screens/SettingsScreen.dart
index 5902a73..b9ca292 100644
--- a/lib/screens/SettingsScreen.dart
+++ b/lib/screens/SettingsScreen.dart
@@ -8,7 +8,6 @@ import 'package:pikapika/basic/config/AutoClean.dart';
 import 'package:pikapika/basic/config/AutoFullScreen.dart';
 import 'package:pikapika/basic/config/ChooserRoot.dart';
 import 'package:pikapika/basic/config/ContentFailedReloadAction.dart';
-import 'package:pikapika/basic/config/ConvertToPNG.dart';
 import 'package:pikapika/basic/config/DownloadAndExportPath.dart';
 import 'package:pikapika/basic/config/DownloadThreadCount.dart';
 import 'package:pikapika/basic/config/ExportRename.dart';
@@ -66,7 +65,6 @@ class SettingsScreen extends StatelessWidget {
             const NetworkSetting(),
             const Divider(),
             qualitySetting(),
-            convertToPNGSetting(),
             readerTypeSetting(),
             readerDirectionSetting(),
             readerSliderPositionSetting(),
diff --git a/lib/screens/components/Images.dart b/lib/screens/components/Images.dart
index c18c0a0..505263e 100644
--- a/lib/screens/components/Images.dart
+++ b/lib/screens/components/Images.dart
@@ -6,20 +6,12 @@ import 'package:pikapika/basic/Common.dart';
 import 'package:pikapika/basic/Cross.dart';
 import 'package:pikapika/basic/Method.dart';
 import 'package:flutter_svg/svg.dart';
-import 'package:pikapika/basic/config/ConvertToPNG.dart';
 import 'package:pikapika/basic/config/ImageAddress.dart';
 import 'dart:io';
 import 'dart:ui' as ui show Codec;
 
 import '../FilePhotoViewScreen.dart';
 
-Future<Uint8List> _loadImageFile(String path) {
-  if (convertToPNG()) {
-    return method.convertToPNG(path);
-  }
-  return File(path).readAsBytes();
-}
-
 // 从本地加载图片
 class ResourceFileImageProvider
     extends ImageProvider<ResourceFileImageProvider> {
@@ -46,7 +38,7 @@ class ResourceFileImageProvider
   Future<ui.Codec> _loadAsync(ResourceFileImageProvider key) async {
     assert(key == this);
     return PaintingBinding.instance!
-        .instantiateImageCodec(await _loadImageFile(path));
+        .instantiateImageCodec(await File(path).readAsBytes());
   }
 
   @override